Listen and read the text and give 3-4 sentences to explain what it is about.
Ex. 2b p.70
Listen again and find answers to the following questions: l.How many chemicals and carcinogens does a cigarette contain? 2. How often do people die from smoking? 3. How many people die from smoking every year? 4. Why do people who smoke look older than non-smokers? 5. How does smoking affect non-smokers?